Cereal2 · Observed attack

AS53102 UDP flood on 187.103.174.0/23 | 2026-10-14 09:36:03Z

· Event #329455

WhatsApp

Country-level precision. botnet.cl stores the target country, never a city or coordinates, so the marker sits at the country's center.

What this method does

Cereal2 vector 19: Configurable custom-payload UDP flood.

All Configurable custom-payload UDP flood observations
Observed
2026-10-14T09:36:03.940Z
Recorded

Recorded 139ms after observation

Affected network
187.103.174.0/23
Network operator
S.I. TELECOM. SERVICOS DE TELEFONIA LTDA EPPAS53102
Location
Brazil
Method
Configurable custom-payload UDP floodVector 19
Protocol
udp
Destination port
Randomized
Commanded duration
1m
Observed via
101.34.239.216119.45.12.154170.106.35.19743.136.129.13143.153.106.22943.156.101.22843.157.198.13743.159.46.15543.173.37.5377.232.43.2182.157.209.4194.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

All controllers with retained sightings of this order. Older records may have incomplete source coverage.

Geolocation data
ipinfo-lite · 2026-09

Snapshot taken at ingestion; it is never re-resolved later.

Payload observed in C2 command

Observed command data; this does not establish what reached the target.

Custom payload · 32 bytes

Decoded template · 32 bytes

OffsetHexadecimalASCII
0000000057 85 5f fa 99 91 a0 cdW._.....
0000000873 ef 72 1e 21 64 e3 6cs.r.!d.l
000000103e ae 5f 3b 8c 8a 4d 8e>._;..M.
0000001817 57 e8 c4 9f c9 e6 08.W......

8 or 16 bytes per row, depending on screen width. Dots represent non-printable bytes.

SHA-256 of decoded template

b0905acf35cda76b076cd624475b6909e0836749fc96daf13d5a12d294741f6d

Configured datagram length
1400 bytes
Minimum length option
1000 bytes
Maximum length option
1400 bytes

Length options are command settings, not measured packet sizes. The decoded template can differ from the resulting datagrams.

Original encoded value
57855ffa9991a0cd73ef721e2164e36c3eae5f3b8c8a4d8e1757e8c49fc9e608

Original bytes (Base64)

NTc4NTVmZmE5OTkxYTBjZDczZWY3MjFlMjE2NGUzNmMzZWFlNWYzYjhjOGE0ZDhlMTc1N2U4YzQ5ZmM5ZTYwOA==

Other attacks on this network

Within 24 hours of this observation

Other attacks in this country

Within 24 hours of this observation

botnet.cl reports infrastructure it observed. An address appearing here identifies a target or a relay, not a person responsible for the attack.